In Chapter 1 Table 1.7, data was given on the dimension of trees. Suppose that the height of the tree (HT) is much harder to measure than the diameter at the foot (DFOOT) or the height of the canopy...

In Chapter 1 Table 1.7, data was given on the dimension of trees. Suppose that the height of the tree (HT) is much harder to measure than the diameter at the foot (DFOOT) or the height of the canopy base (HCRN).

(a) Build a regression model that the foresters can use to predict HT using DFOOT and HCRN.

(b) How accurate is the prediction of HT based on these variables?